US Patent Issued to Vestas Wind Systems on Feb. 17 for "Rotor drive system assisted disengagement of the rotor-lock mechanism" (Danish Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,417, issued on Feb. 17, was assigned to Vestas Wind Systems A/S (Aarhus N., Denmark).

"Rotor drive system assisted disengagement of the rotor-lock mechanism" was invented by Esben Bach-Sorensen (Hobro, Denmark), Lars Rohrmann Andersen (Hadsten, Denmark), Niels Moller Madsen (Aarhus C, Denmark) and Stanislaw Zelazny (Aarhus N, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of disengaging a rotor-lock of a wind turbine, the rotor comprising one or more blades, which due to the gravitational pull, generates a rotor torque which is opposed by a rotor-lock counter-torque from the rotor-lock, the method comprising: a) determining a direct...